diff --git a/HttpExample/WeatherStationExample.ino b/HttpExample/WeatherStationExample.ino index b4faf28..5c03ff9 100644 --- a/HttpExample/WeatherStationExample.ino +++ b/HttpExample/WeatherStationExample.ino @@ -3,45 +3,67 @@ #include #include #include -//#include - -//#define TRIGGER_PIN 5 -//#define ECHO_PIN 6 -//#define MAX_DISTANCE 100 -#define RX_PIN 11 -#define TX_PIN 12 -#define RST_PIN 10 -#define MOISTURE_PIN 7 -#define TEMPERATURE_HUMIDITY_PIN 13 +#include +#include + +#define TRIGGER_PIN 7 +#define ECHO_PIN 8 +#define MAX_DISTANCE 100 +#define RST_PIN 11 +#define RX_PIN 10 +#define TX_PIN 9 +#define MOISTURE_PIN 1 +#define TEMPERATURE_HUMIDITY_PIN 6 #define DHTTYPE DHT11 #define OPEN_VALVE_PIN 5 -#define LIPO_BATTERY_PIN 5 -#define LITIO_BATTERY_PIN 6 -#define ENDPOINT "https://your.api" -#define BODY_FORMAT "{\"w\":{\"m\": %d, \"t\": %d, \"h\": %d, \"mv\": %d, \"sv\": %d}}" -//#define BEARER "gprs-service.com" +#define OPEN_VALVE_VIN_PIN 4 +#define LITIO_BATTERY_PIN 0 //#define BEARER "movistar.es" #define BEARER "gprs-service.com" +#define MAX_VOLTAGE 4200 +#define MIN_VOLTAGE 3500 #define DEBUG TRUE -unsigned long waitForRunTime = 1; -const HTTP http(9600, RX_PIN, TX_PIN, RST_PIN, DEBUG); -const DHT dht(TEMPERATURE_HUMIDITY_PIN, DHTTYPE); -Battery liPoBattery(3300, 3800, LIPO_BATTERY_PIN); -Battery litioBattery(3300, 3800, LITIO_BATTERY_PIN); -//const NewPing sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE); +const char ENDPOINT[] = {"https://your.api"}; +const char BODY_FORMAT[] PROGMEM = {"{\"w\":{\"m\": %d, \"t\": %d, \"h\": %d, \"mv\": %d, \"sv\": %d, \"v\": %d}}"}; + +const PROGMEM HTTP http(9600, RX_PIN, TX_PIN, RST_PIN, DEBUG); +const PROGMEM DHT dht(TEMPERATURE_HUMIDITY_PIN, DHTTYPE); +const PROGMEM Battery litioBattery(MIN_VOLTAGE, MAX_VOLTAGE, LITIO_BATTERY_PIN); +const PROGMEM NewPing sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE); + +unsigned long timeToSleep = 0; +unsigned long starToSleepTime = 0; /* * functions */ +void openValve(){ + Serial.print(F("Open valve")); + + pinMode(OPEN_VALVE_VIN_PIN, OUTPUT); + pinMode(OPEN_VALVE_PIN, OUTPUT); + digitalWrite(OPEN_VALVE_PIN, HIGH); + delay(15000); + pinMode(OPEN_VALVE_VIN_PIN, INPUT); + pinMode(OPEN_VALVE_PIN, INPUT); +} -void openValveFor(unsigned long milliseconds){ - Serial.print(F("Open valve for: ")); - Serial.println(milliseconds); - digitalWrite(OPEN_VALVE_PIN, LOW); - delay(10000 + milliseconds); +void closeValve(){ Serial.println(F("Close Valve")); - digitalWrite(OPEN_VALVE_PIN, HIGH); + + pinMode(OPEN_VALVE_VIN_PIN, OUTPUT); + pinMode(OPEN_VALVE_PIN, OUTPUT); + digitalWrite(OPEN_VALVE_PIN, LOW); + delay(15000); + pinMode(OPEN_VALVE_VIN_PIN, INPUT); + pinMode(OPEN_VALVE_PIN, INPUT); +} + +void openValveFor(unsigned long milliseconds){ + openValve(); + delay(milliseconds); + closeValve(); } unsigned int readMoisture() { @@ -52,79 +74,118 @@ unsigned int readMoisture() { return total/100; } -void manageGarden(){ - int humidity = dht.readHumidity(); +bool rightVoltage(unsigned int voltage){ + return voltage >= MIN_VOLTAGE; +} + +bool shouldSleep(){ + return millis() - starToSleepTime <= timeToSleep; +} + +//int availableMemory() +//{ +// int size = 1024; +// byte *buf; +// +// while ((buf = (byte *) malloc(--size)) == NULL) +// ; +// +// free(buf); +// +// return size; +//} + +void manageGarden(){ + unsigned int humidity = dht.readHumidity(); Serial.print(F("Humidity % ")); Serial.println(humidity); - int temperature = dht.readTemperature(); - Serial.print(F("Temperature ")); + + unsigned int temperature = dht.readTemperature(); + Serial.print(F("Temperature Cº ")); Serial.println(temperature); + unsigned int moisture = readMoisture(); Serial.print(F("Moisture ")); Serial.println(moisture); + unsigned int litioBatteryVoltage = litioBattery.voltage(); Serial.print(F("Litio voltage ")); Serial.println(litioBatteryVoltage); - unsigned int liPoBatteryVoltage = liPoBattery.voltage(); + + Serial.print(F("Water tank distance cm: ")); + unsigned int distance = sonar.ping_cm(); + Serial.println(distance); + + http.wakeUp(); + unsigned int liPoBatteryVoltage = http.readVoltage(); Serial.print(F("LiPo voltage ")); Serial.println(liPoBatteryVoltage); - //Serial.print(F("Water tank distance cm: ")); - //float distance = sonar.ping_cm(); - //Serial.println(distance); - - char response[32]; - char body[90]; - Result result; - sprintf(body, BODY_FORMAT, moisture, temperature, humidity, litioBatteryVoltage, liPoBatteryVoltage); - Serial.println(body); + if (rightVoltage(liPoBatteryVoltage)){ + char response[32]; + char body[70]; + Result result; + sprintf_P(body, BODY_FORMAT, moisture, temperature, humidity, litioBatteryVoltage, liPoBatteryVoltage, distance); + Serial.println(body); - http.configureBearer(BEARER); - result = http.connect(); - result = http.post(ENDPOINT, body, response); - http.disconnect(); - - if (result == SUCCESS) { - Serial.println(response); - StaticJsonBuffer<32> jsonBuffer; - JsonObject& root = jsonBuffer.parseObject(response); + http.configureBearer(BEARER); + result = http.connect(); + result = http.post(ENDPOINT, body, response); + http.disconnect(); + http.sleep(); - if (strcmp(root["action"], "open-valve") == 0){ - openValveFor(root["value"]); - // Delay 1 minute to overpass the irrigation time - delay(60000); - } - else { - delay(root["value"]); + if (result == SUCCESS) { + Serial.println(response); + StaticJsonBuffer<32> jsonBuffer; + JsonObject& root = jsonBuffer.parseObject(response); + + if (strcmp(root["action"], "open-valve") == 0){ + // Delay 1 minute to overpass the irrigation time + unsigned long sleepTime = root["value"]; + openValveFor(sleepTime + 60000); + } + else { + timeToSleep = root["value"]; + // 26848 is the offset the arduino millis have per hour + timeToSleep -= 26848 * timeToSleep/(60*60*1000); + starToSleepTime = millis(); + } } } + else { + http.sleep(); + Serial.println(F("Low voltage detected. I can not work property, charge me!")); + delay(10000); + } } -/* - * the setup routine runs once when you press reset: - */ -void setup() { +void initialize(){ if (DEBUG){ Serial.begin(9600); while(!Serial); Serial.println(F("Starting!")); } - pinMode(MOISTURE_PIN, INPUT); - pinMode(OPEN_VALVE_PIN, OUTPUT); - pinMode(OPEN_VALVE_PIN, HIGH); + delay(1000); + + openValveFor(0); - openValveFor(1000); dht.begin(); - liPoBattery.begin(5000, 1.0); - litioBattery.begin(5000, 1.0); + litioBattery.begin(5000, 1.02); +} + +/* + * the setup routine runs once when you press reset: + */ +void setup() { + initialize(); } /* * the loop routine runs over and over again forever: */ -void loop() { - http.wakeUp(); - manageGarden(); - http.sleep(); +void loop(){ + if (!shouldSleep()){ + manageGarden(); + } }